From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751313AbdGNWRI (ORCPT ); Fri, 14 Jul 2017 18:17:08 -0400 Received: from userp1040.oracle.com ([156.151.31.81]:48390 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751180AbdGNWQL (ORCPT ); Fri, 14 Jul 2017 18:16:11 -0400 From: daniel.m.jordan@oracle.com To: linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [RFC PATCH v1 3/6] ktask: add /proc/sys/debug/ktask_max_threads Date: Fri, 14 Jul 2017 15:16:10 -0700 Message-Id: <1500070573-3948-4-git-send-email-daniel.m.jordan@oracle.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1500070573-3948-1-git-send-email-daniel.m.jordan@oracle.com> References: <1500070573-3948-1-git-send-email-daniel.m.jordan@oracle.com> X-Source-IP: aserv0022.oracle.com [141.146.126.234] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Adds a proc file to control the maximum number of ktask threads in use for any one job. Its primary use is to aid in debugging. Signed-off-by: Daniel Jordan --- kernel/sysctl.c | 10 ++++++++++ 1 files changed, 10 insertions(+), 0 deletions(-) diff --git a/kernel/sysctl.c b/kernel/sysctl.c index 4dfba1a..7fe142b 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -67,6 +67,7 @@ #include #include #include +#include #include #include @@ -1850,6 +1851,15 @@ static int sysrq_sysctl_handler(struct ctl_table *table, int write, .extra2 = &one, }, #endif +#if defined(CONFIG_KTASK) + { + .procname = "ktask_max_threads", + .data = &ktask_max_threads, + .maxlen = sizeof(ktask_max_threads), + .mode = 0644, + .proc_handler = proc_dointvec, + }, +#endif { } }; -- 1.7.1